56 lines
1.8 KiB
LLVM
56 lines
1.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
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; Check that when argument promotion changes a function in some parent node of
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; the call graph, any analyses that happened to be cached for that function are
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; actually invalidated. We are using `demanded-bits` here because when printed
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; it will end up caching a value for every instruction, making it easy to
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; detect the instruction-level changes that will fail here. With improper
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; invalidation this will crash in the second printer as it tries to reuse
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; now-invalid demanded bits.
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;
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; RUN: opt < %s -passes='function(print<demanded-bits>),attributor,function(print<demanded-bits>)' -S | FileCheck %s
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@G = constant i32 0
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define internal i32 @a(i32* %x) {
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; CHECK: Function Attrs: nofree nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@a
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; CHECK-SAME: () [[ATTR0:#.*]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[V:%.*]] = load i32, i32* @G, align 4
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; CHECK-NEXT: ret i32 [[V]]
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;
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entry:
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%v = load i32, i32* %x
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ret i32 %v
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}
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define i32 @b() {
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; CHECK: Function Attrs: nofree nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@b
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; CHECK-SAME: () [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[V:%.*]] = call i32 @a() [[ATTR0]]
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; CHECK-NEXT: ret i32 [[V]]
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;
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entry:
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%v = call i32 @a(i32* @G)
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ret i32 %v
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}
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define i32 @c() {
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; CHECK: Function Attrs: nofree nosync nounwind readnone willreturn
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; CHECK-LABEL: define {{[^@]+}}@c
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; CHECK-SAME: () [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[V1:%.*]] = call i32 @a() [[ATTR0]]
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; CHECK-NEXT: [[V2:%.*]] = call i32 @b() [[ATTR0]]
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; CHECK-NEXT: [[RESULT:%.*]] = add i32 [[V1]], [[V2]]
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; CHECK-NEXT: ret i32 [[RESULT]]
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;
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entry:
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%v1 = call i32 @a(i32* @G)
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%v2 = call i32 @b()
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%result = add i32 %v1, %v2
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ret i32 %result
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}
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